<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" class="login-form" auto-complete="on"
             label-position="left">

      <div class="title-container">
        <h3 class="title">青橙后台管理系统</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <i class="el-icon-user-solid"></i>
        </span>
        <el-input
            ref="username"
            v-model="loginForm.username"
            placeholder="Username"
            name="username"
            type="text"
            tabindex="1"
            auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <i class="el-icon-lock"></i>
        </span>
        <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="Password"
            name="password"
            tabindex="2"
            auto-complete="on"
            @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <i :class="passwordType === 'password'?'el-icon-lock':'el-icon-view'"></i>
        </span>
      </el-form-item>

      <el-form-item prop="password">
        <el-input
            style="width: 200px"
            v-model.trim="loginForm.verifyCode" class="code" size="large"
            placeholder="请输入验证码"/>
        <div style="width: 200px;height: 30px; float: right">
          <img :src="captchaUrl" @click="getCode" class="codeImg">
        </div>
      </el-form-item>


      <el-button :loading="loading" type="primary" style="width: 100%; margin-bottom:30px;"
                 @click.native.prevent="Login">
        登录
      </el-button>

      <el-button :loading="loading" type="danger" style="width: 100%; float: right; margin-bottom:30px; "
                 @click.native.prevent="register">
        注册
      </el-button>

      <div class="tips" style="color: #DCDFE6">
        超级管理员：
        <span style="margin-right:20px;color: #409EFF">账号 admin</span><span style="color:#409EFF ">密码 admin</span>
      </div>
    </el-form>
  </div>
</template>

<script>
import Cookies from 'js-cookie'
import axios from "axios";

export default {
  name: 'Login',
  data() {
    return {
      captchaUrl: '',
      loginForm: {
        username: 'admin',
        password: 'admin',
        verifyCode: '',
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    Login() {
      this.loading = true
      this.loading = false
      this.$api.user.login(this.loginForm).then(res => {
        Cookies.set('admin-token', res.result.tokenValue)
        this.$message({type: 'success', message: '登录成功'});
        this.$router.push('/')
      }).catch(() => {
        this.getCode()
      })
    },
    // 注册
    register() {
      this.loading = true
      this.loading = false
      this.$api.user.register(this.loginForm).then(res => {
        Cookies.set('admin-token', res.result.tokenValue)
        this.$message({type: 'success', message: '注册成功'});
        this.$router.push('/')
      }).catch(() => {
        this.getCode()
      })
    },

    async getCode() {
      await axios.get("http://localhost:5050/kaptcha").then(res => {
        this.captchaUrl = "data:image/gif;base64," + res.data.result;
      }).catch(() => {
        this.getCode()
      })
    }
  },
  created() {
    this.getCode()
  }
}
</script>

<style lang="scss">
$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
